Using GCC Undefined Behavior Sanitizer

Today I have read an article about GCC Undefined Behavior Sanitizer (ubsan). However, when I follow steps there (add -fsanitize=undefined to my code), the compiler (GCC 4.9.2 on Ubuntu 15.04) says that some references are not defined:

||=== Build: Debug in Entangle (compiler: GNU GCC Compiler) ===|
obj/Debug/EntangleApp.o||In function `EntangleApp::OnInit()':|
/home/ilya/Projects/Entangle/EntangleApp.cpp|31|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|31|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|32|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|35|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|37|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|37|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|43|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|43|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|52|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|52|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `EntangleApp::OnCmdLineParsed(wxCmdLineParser&)':|
/home/ilya/Projects/Entangle/EntangleApp.cpp|75|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `EntangleApp::OnRun()':|
/home/ilya/Projects/Entangle/EntangleApp.cpp|128|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|128|undefined reference to `__ubsan_handle_load_invalid_value'|
obj/Debug/EntangleApp.o||In function `wxPrivate::UntypedBufferData::~UntypedBufferData()':|
/usr/include/wx-3.0/wx/buffer.h|43|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/buffer.h|43|undefined reference to `__ubsan_handle_load_invalid_value'|
/usr/include/wx-3.0/wx/buffer.h|44|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `std::exception::exception()':|
/usr/include/c++/4.9/exception|63|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxCriticalSectionLocker::wxCriticalSectionLocker(wxCriticalSection&)':|
/usr/include/wx-3.0/wx/thread.h|305|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/thread.h|307|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxCriticalSectionLocker::~wxCriticalSectionLocker()':|
/usr/include/wx-3.0/wx/thread.h|312|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/usr/include/wx-3.0/wx/thread.h|767|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `wxThreadHelperThread::Entry()':|
/usr/include/wx-3.0/wx/thread.h|775|undefined reference to `__ubsan_handle_load_invalid_value'|
/usr/include/wx-3.0/wx/thread.h|776|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/thread.h|776|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `std::type_info::name() const':|
/usr/include/c++/4.9/typeinfo|100|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/c++/4.9/typeinfo|100|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/c++/4.9/typeinfo|100|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/usr/include/c++/4.9/typeinfo|100|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `wxObjectEventFunctor::operator()(wxEvtHandler*, wxEvent&)':|
/usr/include/wx-3.0/wx/event.h|3757|undefined reference to `__ubsan_handle_add_overflow'|
/usr/include/wx-3.0/wx/event.h|3757|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/event.h|3757|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxLocale::wxLocale()':|
/usr/include/wx-3.0/wx/intl.h|154|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxAppConsoleBase::CallOnInit()':|
/usr/include/wx-3.0/wx/app.h|93|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/app.h|93|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/usr/include/wx-3.0/wx/app.h|592|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `wxAppBase::IsActive() const':|
/usr/include/wx-3.0/wx/app.h|592|undefined reference to `__ubsan_handle_load_invalid_value'|
obj/Debug/EntangleApp.o||In function `wxAppBase::SetTopWindow(wxWindow*)':|
/usr/include/wx-3.0/wx/app.h|595|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `EntangleApp::EntangleApp()':|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/home/ilya/Projects/Entangle/EntangleFrame.h|32|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `std::_Vector_base<unsigned long long, std::allocator<unsigned long long> >::~_Vector_base()':|
/usr/include/c++/4.9/bits/stl_vector.h|161|undefined reference to `__ubsan_handle_sub_overflow'|
/usr/include/c++/4.9/bits/stl_vector.h|161|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `std::_Vector_base<unsigned long long, std::allocator<unsigned long long> >::_Vector_impl::_Vector_impl()':|
/usr/include/c++/4.9/bits/stl_vector.h|87|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/c++/4.9/bits/stl_vector.h|87|undefined reference to `__ubsan_handle_type_mismatch'|
||More errors follow but not being shown.|
||Edit the max errors limit in compiler options...|
||=== Build failed: 50 error(s), 0 warning(s) (0 minute(s), 23 second(s)) ===|

How can I fix this?


Source: gcc

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